4Videosoft iPhone Ringtone Maker for Mac provides the easiest way to convert AVI, MPEG, WMV, FLV, MKV, H.264/MPEG-4, DivX, XviD, MOV, RM, RMVB, MP4 to M4R iPhone Ringtone.
Phone Ringtone Maker gives you a hand to convert any segment of your video/audio to M4R iPhone Ringtone by specifying the start time and end time or dragging the slide bar. Plus, you can pre-listen the Ringtone before the conversion, even edit your added iPhone ringtone. All the steps are just like a breeze. Free download this iPhone Ringtone Maker for Mac to enjoy your new iPhone experiences.